DM2307 gaw.chCHAPTER 1 W THE DOSE MAKES THE POISON hich would you prefer to drink—a cup of caffeine or a cup of trichloroethylene? Chances are good that your response was “caf-feine.” Caffeine occurs naturally in coffee, tea, and chocolate, and it is added to sodas and other types of drinks and foods. Trichloroethylene, on the other hand, is a solvent used to dissolve grease, and it is also a common... Melissa, also known as lemon balm, has a lemon-like warm fragrance which attracts swarms of bees. It is therefore said that it got its name "melissa" since it is a popular source of food for bees, derived from the Greek "melissa" or "melitta" (bee) and "meli" (honey).